42142963 has 4 divisors (see below), whose sum is σ = 43282000. Its totient is φ = 41003928.

The previous prime is 42142937. The next prime is 42142979. The reversal of 42142963 is 36924124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42142963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42142363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569463 + ... + 569536.

It is an arithmetic number, because the mean of its divisors is an integer number (10820500).

Almost surely, 2^42142963 is an apocalyptic number.

42142963 is a deficient number, since it is larger than the sum of its proper divisors (1139037).

42142963 is a wasteful number, since it uses less digits than its factorization.

42142963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139036.

The product of its digits is 10368, while the sum is 31.

The square root of 42142963 is about 6491.7611631975. The cubic root of 42142963 is about 347.9966171997.

The spelling of 42142963 in words is "forty-two million, one hundred forty-two thousand, nine hundred sixty-three".